Vietnam Airlines from Vientiane to Ho Chi Minh City has 1 flight every day. And there are 7 flights per week flying out of Vientiane which connect to Ho Chi Minh City.
The price for economy class – one way ticket of Vietnam Airlines from Vientiane to Ho Chi Minh City is 6.298.000 VND (or ~$313 USD) and the price for bussiness class – one way ticket of Vietnam Airline is 9.030.000 VND (or ~$450 USD).